NM_032151.5:c.377C>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032151.5(PCBD2):​c.377C>T​(p.Ala126Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,458,752 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A126P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

PCBD2
NM_032151.5 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.66

Publications

0 publications found
Variant links:
Genes affected
PCBD2 (HGNC:24474): (pterin-4 alpha-carbinolamine dehydratase 2) Predicted to enable 4-alpha-hydroxytetrahydrobiopterin dehydratase activity. Involved in positive regulation of transcription, DNA-templated. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.085722566).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032151.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PCBD2
NM_032151.5
MANE Select
c.377C>Tp.Ala126Val
missense
Exon 4 of 4NP_115527.3Q9H0N5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PCBD2
ENST00000254908.11
TSL:1 MANE Select
c.377C>Tp.Ala126Val
missense
Exon 4 of 4ENSP00000254908.6Q9H0N5
PCBD2
ENST00000512783.5
TSL:1
c.377C>Tp.Ala126Val
missense
Exon 4 of 5ENSP00000421544.1Q9H0N5
PCBD2
ENST00000938209.1
c.506C>Tp.Ala169Val
missense
Exon 5 of 5ENSP00000608268.1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000803
AC:
2
AN:
249076
AF XY:
0.00000740
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000580
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1458752
Hom.:
0
Cov.:
30
AF XY:
0.00000413
AC XY:
3
AN XY:
725896
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33386
American (AMR)
AF:
0.0000447
AC:
2
AN:
44706
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26110
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39658
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86148
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53386
Middle Eastern (MID)
AF:
0.000174
AC:
1
AN:
5740
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1109320
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60298
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.463
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000828
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.28
CADD
Benign
18
DANN
Benign
0.53
DEOGEN2
Benign
0.27
T
Eigen
Benign
-0.53
Eigen_PC
Benign
-0.34
FATHMM_MKL
Uncertain
0.82
D
LIST_S2
Benign
0.82
T
M_CAP
Benign
0.057
D
MetaRNN
Benign
0.086
T
MetaSVM
Benign
-0.58
T
MutationAssessor
Benign
0.69
N
PhyloP100
1.7
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-0.54
N
REVEL
Benign
0.21
Sift
Benign
0.59
T
Sift4G
Benign
0.62
T
Polyphen
0.043
B
Vest4
0.21
MutPred
0.47
Gain of methylation at K125 (P = 0.0377)
MVP
0.45
MPC
0.30
ClinPred
0.17
T
GERP RS
2.3
Varity_R
0.087
gMVP
0.35
Mutation Taster
=77/23
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs780422228; hg19: chr5-134296355; API